By Andrius Sytas VILNIUS (Reuters) -Lithuanian authorities said a ban on the transit through their territory to the Russian exclave of Kaliningrad of goods that are subject to EU sanctions was to take effect from Saturday. News of the ban came on Friday, through a video posted by the region’s governor Anton Alikhanov. The EU sanctions list notably includes coal, metals, construction materials and advanced technology, and Alikhanov said the ban would cover around 50% of the items that Kaliningrad imports. Its immediate start was confirmed by the cargo arm of Lithuania’s state railways service i…